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Make fade out duration proportional to volume

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This is the same behavior as SDL_mixer. Else, a fadeout would last the
same amount of time no matter the volume, which is a regression.
This commit is contained in:
Misa 2021-08-22 16:57:13 -07:00
parent ad88939dbb
commit 2af04ad0fa
1 changed files with 2 additions and 1 deletions
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3
desktop_version/src/Music.cpp
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@ -344,7 +344,8 @@ void musicclass::fadeMusicVolumeOut(const int fadeout_ms)
m_doFadeOutVol = true;
fade.step_ms = 0;
fade.duration_ms = fadeout_ms;
/* Duration is proportional to current volume. */
fade.duration_ms = fadeout_ms * musicVolume / MIX_MAX_VOLUME;
fade.start_volume = musicVolume;
fade.end_volume = 0;
}